- Hawthorne Bridge: Built in 1910, it’s the oldest vertical-lift bridge in operation in the United States. It’s heavily used by cyclists and pedestrians, embodying Portland’s bike-friendly culture.
- Broadway Bridge: This double-leaf bascule bridge is an engineering marvel and a vital transit route that connects downtown with the Lloyd District.
- Steel Bridge: Unique for its double-deck design, it carries cars, trains, MAX light rail, bicycles, and pedestrians.
- Burnside Bridge: Known for its distinctive bascule design, it connects the east and west sides of the city and is a critical commuter route.
- Tilikum Crossing: Opened in 2015, this bridge is notable for being the first in the U.S. designed exclusively for public transit, cyclists, and pedestrians—no private cars allowed.
- Fremont Bridge: One of the longest tied-arch bridges in the nation, carrying Interstate 405 over the Willamette River.
- Sellwood Bridge: A key crossing in Southeast Portland that was replaced recently to improve safety and traffic flow.
- St. Johns Bridge: Located in North Portland, it’s one of the most beautiful suspension bridges on the West Coast, spanning the Willamette with Gothic-style towers.
- Broadmoor and other pedestrian bridges: These smaller bridges enhance connectivity for walkers and cyclists, supporting Portland’s reputation as a walkable and bike-friendly city.
- Plan a bike ride over several bridges: Portland’s bike-friendly streets make it easy to hop from one bridge to another, especially along the Eastbank Esplanade and Waterfront Park.
- Visit the St. Johns neighborhood: Crossing the St. Johns Bridge offers spectacular views and a chance to explore a charming area with local shops and cafes.
- Time your visit for a bridge lift: Several Willamette River bridges are drawbridges that lift to allow boats to pass—a fascinating sight and a reminder of Portland’s river-based commerce.
- Photograph at sunset: The bridges glow beautifully at golden hour, especially the steel truss designs that reflect Portland’s industrial past.
Exploring the Number of Bridges in Portland, Oregon
Portland boasts more than 12 major bridges crossing the Willamette River alone, but the total count of bridges in the metropolitan area is significantly higher when including smaller road crossings, pedestrian bridges, and rail bridges. Official city records often cite around 50 to 60 bridges within the urban core, spanning both the Willamette and Columbia Rivers as well as smaller waterways and transportation corridors. The concentration of bridges is a direct response to Portland’s geography. The Willamette River divides the city into east and west sides, necessitating multiple river crossings to ensure mobility. Additionally, the Columbia River to the north, along with numerous creeks and rail lines, contributes to the extensive bridge infrastructure. This network is critical in linking neighborhoods, facilitating commerce, and accommodating Portland’s commitment to multimodal transit options including vehicles, bicycles, and pedestrians.How Many Bridges Cross the Willamette River?
The Willamette River is the main waterway running through Portland, and it is spanned by 12 primary bridges within the city limits. These bridges vary widely in design, function, and historical significance:- Steel Bridge: A double-deck vertical lift bridge serving trains, cars, pedestrians, and cyclists.
- Hawthorne Bridge: The oldest vertical-lift bridge in operation in the United States, popular for bike commuters.
- Morrison Bridge: A bascule drawbridge connecting downtown to the east side.
- Broadway Bridge: A cantilever truss bridge with a lift span, facilitating traffic across the river.
- Burnside Bridge: One of the busiest lift bridges in Portland, named after Civil War General Ambrose Burnside.
- Fremont Bridge: A tied-arch bridge known for its distinctive rainbow-like arches, carrying Interstate 405.
- St. Johns Bridge: A suspension bridge with Gothic-style towers, connecting North Portland with the St. Johns neighborhood.
- Marquam Bridge: A double-deck freeway bridge carrying Interstate 5 traffic.
- Ross Island Bridge: A cantilever truss bridge serving Highway 26.
- Sellwood Bridge: A modern steel tied-arch bridge catering to both vehicles and pedestrians.
- Broadway Bridge, Morrison Bridge, and Steel Bridge: Each offering movable spans to accommodate river traffic.
Bridges Over the Columbia River and Other Waterways
While the Willamette River dominates Portland’s bridge landscape, the Columbia River to the north features several critical crossings that connect Oregon to Washington State. The most prominent among these are:- Interstate Bridge: Two nearly identical bridges carrying I-5 traffic north and south between Portland and Vancouver, Washington.
- Glenn L. Jackson Memorial Bridge: A massive cable-stayed bridge carrying I-205 over the Columbia River.
- Port of Portland’s Railroad Bridge: A vertical lift bridge primarily for freight rail crossing the Columbia.
Architectural Styles and Functional Diversity
The diversity of Portland’s bridges is remarkable—not only in number but in architectural style and engineering design. From suspension and tied-arch to bascule and truss bridges, the city’s crossings demonstrate a century of evolving bridge technology.Historic vs. Modern Bridges
Many of Portland’s most famous bridges date back to the early and mid-20th century, such as the Hawthorne and Steel Bridges, which reflect industrial-era engineering and have been preserved as historic landmarks. These older bridges often feature movable spans to accommodate river traffic, a testament to Portland’s maritime heritage. Contrasting these, newer constructions like the Sellwood Bridge and Tilikum Crossing incorporate advanced materials and modern design principles emphasizing sustainability, multimodal access, and aesthetic integration with the surrounding environment.Multimodal Usage and Urban Impact
Portland’s bridge network is unique in its accommodation of various transportation modes. Several bridges support light rail lines, such as the Steel Bridge and Tilikum Crossing, while others are key routes for bicycle commuters, with dedicated bike lanes and pedestrian paths. This multimodal approach reflects Portland’s broader urban planning goals to reduce car dependency and enhance public transit and active transportation options. Bridges in Portland are more than mere crossings; they are facilitators of a green, connected urban lifestyle.The Role of Bridges in Portland’s Identity and Economy
Bridges in Portland Oregon are integral not only to transportation but also to the city’s cultural identity and economic vitality. As landmarks, these structures appear in countless photographs, films, and tourism materials, symbolizing the city’s blend of natural beauty and urban ingenuity. From an economic perspective, bridges support key industries by ensuring efficient freight movement and commuter access. For example, the Marquam and Fremont Bridges are vital corridors for interstate commerce, while the St. Johns Bridge serves important industrial zones. Moreover, bridges play a significant role in real estate development patterns, influencing neighborhood connectivity and accessibility. Areas with convenient bridge access often experience higher property values and increased commercial activity.Maintenance Challenges and Future Developments
Maintaining a large inventory of bridges comes with challenges, including structural aging, seismic retrofitting, and adapting to evolving transportation needs. The Oregon Department of Transportation (ODOT) and the City of Portland invest heavily in bridge inspection, rehabilitation, and replacement projects. The ongoing replacement of the Sellwood Bridge and plans for updating the Interstate Bridge illustrate the city’s commitment to safety and modernization. Future developments also include integrating smart technologies for traffic management and enhancing pedestrian and bicycle amenities.Summary of Portland’s Bridges
To summarize the landscape of Portland’s bridges:- There are approximately 12 major bridges crossing the Willamette River within Portland city limits.
- The total number of bridges in Portland, including smaller road, pedestrian, and rail bridges, is estimated between 50 and 60.
- Additional significant bridges cross the Columbia River, connecting Portland to Washington.
- Bridge designs range from historic lift and truss bridges to modern cable-stayed and tied-arch structures.
- Many bridges support multi-modal transportation, including vehicles, public transit, bicycles, and pedestrians.
- Bridges contribute to Portland’s economic activity, urban form, and cultural identity.